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The Vacuum Tube’s Last Stand(s)

When most people think about vacuum tubes, they picture big glass bottles glowing inside antique radios or early computers. History often treats tubes as a dead-end technology that was suddenly …read more

Hackaday Links: May 10, 2026

While Artemis II was primarily a demonstration flight of the architecture NASA plans to use for future lunar missions, it was also an excellent excuse for the crew to snap …read more

Hackaday Podcast Episode 369: IR, E-Ink, And Avgas

In this episode, Hackaday Editors Elliot Williams and Tom Nardi start things off by discussing the latest reason that cheap PCB fabrication isn’t quite as cheap as it once was. …read more

This Week In Security: Another Linux Exploit, Ubuntu Knocked Offline, Finals Interrupted, And Backdoored Tools

After the CopyFail vulnerability gave root access from any user on almost all distributions last week, this week we’ve got DirtyFrag. This chains the vulnerability in CopyFail (xfrm-ESP) and a …read more

Congratulations To The Green Powered Challenge Winners!

For this challenge, we asked you to show off your hacks that power themselves sustainably from the environment around them. After all, nobody likes wires, and changing batteries is just …read more

From The Blog

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  • British Street Addresses, When Licenses Collide

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    By Jenny List | May 14, 2026

    The world of open source — and in particular open source licenses — is something we cover regularly here at Hackaday with respect to hardware and software, but it’s not …read more

  • LiDAR Matrix Sensor Sees In 3D

    3 Comments

    By Al Williams | May 14, 2026

    [Mellow_Labs] picked up a few LiDAR matrix sensors and found them very exciting. While a normal time-of-flight sensor can accurately determine a range,  the matrix sensor is like an array …read more

  • Testing Giant Fire Darts From The Mary Rose

    3 Comments

    By Maya Posch | May 13, 2026

    The Mary Rose was a carrack in the English Tudor Navy of King Henry VIII  that fought in multiple battles during the 16th century before it was sunk in 1545. After …read more

  • How Did Apollo Separate?

    5 Comments

    By Al Williams | May 13, 2026

    If you’ve watched a Saturn V launch, you’ve probably seen how a large rocket will often jettison a stage on the way up. There are several reasons for this — …read more

  • FreeCAD 1.1 Tutorial, For Beginners Who Like Clear Instructions

    13 Comments

    By Donald Papp | May 13, 2026

    If you’ve been interested in FreeCAD but haven’t known where to start, here’s a wonderful video tutorial for FreeCAD 1.1 by [Deltahedra] aimed squarely at how to model a 3D …read more

  • Custom Mainboard For PS2 Portable

    3 Comments

    By Bryan Cockfield | May 13, 2026

    As time marches on, the retro gaming community gets more and more access to older systems. This is partially a product of modern computing having much more power to emulate …read more

  • Y-zipper: 3D Printing Flexible–Rigid Transition Mechanism For Rapid And Reversible Assembly

    18 Comments

    By Maya Posch | May 13, 2026

    Along with Velcro, zippers have become an integral part of every day life, being a quick and easy way to usually temporarily join fabric together. Which isn’t to say that …read more

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  • 2026 Hackaday Europe: Pre-party, More Workshops, And Everything Else

    8 Comments
  • The Vacuum Tube’s Last Stand(s)

    111 Comments
  • There’s More To Global Positioning Than Just GPS

    16 Comments
  • AI On Every Machine: The LLM You Probably Didn’t Want

    71 Comments
  • How Giant Tanks Of Fluid Could Help Support The Power Grid

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Our Columns

  • Hackaday Links: May 10, 2026

    13 Comments
  • Copy Or Redesign?

    5 Comments
  • Hackaday Podcast Episode 369: IR, E-Ink, And Avgas

    5 Comments
  • This Week In Security: Another Linux Exploit, Ubuntu Knocked Offline, Finals Interrupted, And Backdoored Tools

    12 Comments
  • Congratulations To The Green Powered Challenge Winners!

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Featured Projects

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WORLD’S FASTEST COMMODORE PET USING THE MCL65+

WORLD’S FASTEST COMMODORE PET USING THE MCL65+

by Ted Fried
Turning a 2 ton robot into a 3D-printer

Turning a 2 ton robot into a 3D-printer

by Brian Brocken

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Accel-Lights for Inline

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Why I built an LED luminosity tuner

Why I built an LED luminosity tuner

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LumiBand Gen3 - Wireless DMX LED wristband ESP32

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Ultimate back scratcher

Ultimate back scratcher

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pollutagNode2 -  Air Quality Monitor - LoRaWAN

pollutagNode2 - Air Quality Monitor - LoRaWAN

by Aleksei Tertychnyi
Raspberry Pi SuperCapacitor UPS with Power Switch

Raspberry Pi SuperCapacitor UPS with Power Switch

by D. E.

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  • 2026 Hackaday Europe: Pre-party, More Workshops, And Everything Else

    8 Comments
  • The Vacuum Tube’s Last Stand(s)

    111 Comments
  • There’s More To Global Positioning Than Just GPS

    16 Comments
  • AI On Every Machine: The LLM You Probably Didn’t Want

    71 Comments
  • How Giant Tanks Of Fluid Could Help Support The Power Grid

    72 Comments
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Categories

Our Columns

  • Hackaday Links: May 10, 2026

    13 Comments
  • Copy Or Redesign?

    5 Comments
  • Hackaday Podcast Episode 369: IR, E-Ink, And Avgas

    5 Comments
  • This Week In Security: Another Linux Exploit, Ubuntu Knocked Offline, Finals Interrupted, And Backdoored Tools

    12 Comments
  • Congratulations To The Green Powered Challenge Winners!

    2 Comments
More from this category

Recent comments

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